The European Physical Journal C

ISSN: 1434-6044 (printed version)
ISSN: 1434-6052 (electronic version)

Table of Contents

Abstract Volume 2 Issue 2 (1998) pp 365-372

theoretical physics:
Studying trilinear gauge couplings at linear collider energies

G.J. Gounaris (1), C.G. Papadopoulos (2)

(1) Department of Theoretical Physics, University of Thessaloniki, GR-54006 Thessaloniki, Greece (e-mail: gounaris@physics.auth.gr)
(2) Institute of Nuclear Physics, NCSR <Delta><eta>µó<kappa><varrho><iota><tau>&ogr;&sfgr;, GR-15310 Athens, Greece (e-mail: Costas.Papadopoulos@cern.ch)

Received: 9 April 1997 / Revised version: 18 June 1997

Abstract. We investigate the sensitivity of the semileptonic processes $e^+e^-\to\ell^-\bar{\nu}_\ell\; q\; \bar q^\prime $, $\ell=e\;\mbox{or}\;\mu$, on the non-standard trilinear gauge couplings, using the optimal observables method at Linear Collider energies. Our study is based on the four-fermion generator ERATO. Taking into account all possible correlations between the different trilinear gauge coupling parameters, we show that they can be measured with an accuracy of $10^{-3}$ to $10^{-4}$ for typical Linear Collider energies and luminosities.

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Online publication: April 8, 1998
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